Base | Representation |
---|---|
bin | 11110100110100011001110 |
3 | 120002120102100 |
4 | 132212203032 |
5 | 4023202342 |
6 | 443535530 |
7 | 125121255 |
oct | 36464316 |
9 | 16076370 |
10 | 8022222 |
11 | 458a23a |
12 | 282a5a6 |
13 | 187b5a0 |
14 | 10cb79c |
15 | a86e4c |
hex | 7a68ce |
8022222 has 24 divisors (see below), whose sum is σ = 18719064. Its totient is φ = 2468304.
The previous prime is 8022173. The next prime is 8022227. The reversal of 8022222 is 2222208.
It is a Harshad number since it is a multiple of its sum of digits (18).
8022222 is a modest number, since divided by 2222 gives 802 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 8022195 and 8022204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8022227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16908 + ... + 17375.
It is an arithmetic number, because the mean of its divisors is an integer number (779961).
Almost surely, 28022222 is an apocalyptic number.
8022222 is an abundant number, since it is smaller than the sum of its proper divisors (10696842).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8022222 is a wasteful number, since it uses less digits than its factorization.
8022222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34304 (or 34301 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
The square root of 8022222 is about 2832.3527322705. The cubic root of 8022222 is about 200.1850121331.
The spelling of 8022222 in words is "eight million, twenty-two thousand, two hundred twenty-two".
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